Always verify the part number on your existing motor shell or control module before installation

Rated for temperatures up to 121

and Tappan units

Technicians should never bypass a high limit switch during normal operation

Resideo ZD12X10TZ Damper R-448A Always verify the part numberThe Resideo ZD12X10TZ is a 12" x 10" rectangular zone damper engineered for heavy duty HVAC zoning systems. Built with a robust extruded aluminum frame and parallel blades, this unit provides high efficiency airflow control with low leakage performance (rated under 1% at 0. 5 in. WC). The built in 24Vac synchronous motor is mounted on the 10 inch side and utilizes a power closed spring return open configuration, ensuring a fail safe normally open